1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #include <stdio.h>

    19 #include <stdlib.h>

    20 #include <assert.h>

    21 #include <string.h>

    22 #include "xaglobals.h"

    23 #include "xaimageencodercapabilitiesitf.h"

    24 #include "xacapabilitiesmgr.h"  

    25 /* XAImageEncoderCapabilitiesItfImpl* GetImpl

    26  * Description: Validate interface pointer and cast it to implementation pointer.

    27  */

    28 static XAImageEncoderCapabilitiesItfImpl* GetImpl(XAImageEncoderCapabilitiesItf self)

    29 {

    30     if( self )

    31     {

    32         XAImageEncoderCapabilitiesItfImpl* impl = (XAImageEncoderCapabilitiesItfImpl*)(*self);

    33         if( impl && (impl == impl->self) )

    34         {

    35             return impl;

    36         }

    37     }

    38     return NULL;

    39 }

    40 

    41 /**

    42  * Base interface XAImageEncoderCapabilitiesItf implementation

    43  **/

    44 

    45 /* XAresult XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities

    46  * Description: Retrieves image encoder capabilities.

    47  */

    48 XAresult XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities(

    49                             XAImageEncoderCapabilitiesItf self,

    50                             XAuint32* pEncoderId,

    51                             XAImageCodecDescriptor* pDescriptor)

    52 {

    53     XAImageEncoderCapabilitiesItfImpl* impl = NULL;

    54     XAresult res = XA_RESULT_SUCCESS;

    55     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities");

    56 

    57     impl = GetImpl(self);

    58 

    59     if( !impl || !pEncoderId )

    60     {

    61         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

    62         res = XA_RESULT_PARAMETER_INVALID;

    63     }

    64     else

    65     {

    66         if( !pDescriptor )

    67         {   /* query number of image encoders */

    68             *pEncoderId = impl->numCodecs;

    69         }

    70         else

    71         {

    72             /* query capabilities from adaptation using codec id */

    73   

    74             XACapabilities temp;

    75             memset(pDescriptor,0,sizeof(XAImageCodecDescriptor));

    76             /* here pEncoderId refers to index rather than codec id */

    77             res = XACapabilitiesMgr_GetCapsByIdx(NULL, (XACapsType)(XACAP_ENCODER|XACAP_IMAGE), *pEncoderId, &temp);

    78             if( res == XA_RESULT_SUCCESS )

    79             {

    80                 XAImageCodecDescriptor* desc = (XAImageCodecDescriptor*)(&temp.pEntry);

    81                 /* map applicable values to XAAudioCodecCapabilities */

    82                 pDescriptor->codecId = temp.xaid;

    83                 pDescriptor->maxWidth = desc->maxWidth;

    84                 pDescriptor->maxHeight = desc->maxHeight;

    85             }

    86 

    87         }

    88     }

    89 

    90     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities");

    91     return res;

    92 }

    93 

    94 /* XAresult XAImageEncoderCapabilitiesItfImpl_QueryColorFormats

    95  * Description: This method is used to query the color formats supported

    96  *              by the image encoder.

    97  */

    98 XAresult XAImageEncoderCapabilitiesItfImpl_QueryColorFormats(

    99                             const XAImageEncoderCapabilitiesItf self,

   100                             XAuint32* pIndex,

   101                             XAuint32* pColorFormats)

   102 {

   103     XAImageEncoderCapabilitiesItfImpl* impl = NULL;

   104     XAresult res = XA_RESULT_SUCCESS;

   105     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_QueryColorFormats");

   106 

   107     impl = GetImpl(self);

   108     if( !impl || !pIndex )

   109     {

   110         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

   111         res = XA_RESULT_PARAMETER_INVALID;

   112     }

   113     else

   114     {

   115 

   116         res = XACapabilitiesMgr_QueryColorFormats(NULL, pIndex, pColorFormats);

   117         

   118     }

   119     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_QueryColorFormats");

   120     return res;

   121 }

   122 

   123 /**

   124  * XAImageEncoderCapabilitiesItfImpl -specific methods

   125  **/

   126 

   127 /* XAImageEncoderCapabilitiesItfImpl_Create

   128  * Description: Allocate and initialize XAImageEncoderCapabilitiesItfImpl

   129  */

   130 XAImageEncoderCapabilitiesItfImpl* XAImageEncoderCapabilitiesItfImpl_Create()

   131 {

   132     XAImageEncoderCapabilitiesItfImpl* self = (XAImageEncoderCapabilitiesItfImpl*)

   133         calloc(1,sizeof(XAImageEncoderCapabilitiesItfImpl));

   134     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_Create");

   135 

   136     if( self )

   137     {

   138         /* init itf default implementation */

   139         self->itf.GetImageEncoderCapabilities =

   140             XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities;

   141         self->itf.QueryColorFormats =

   142             XAImageEncoderCapabilitiesItfImpl_QueryColorFormats;

   143 

   144   

   145         /* init variables */

   146         assert( XACapabilitiesMgr_GetCapsCount( NULL, (XACapsType)(XACAP_ENCODER|XACAP_IMAGE),

   147                                   &(self->numCodecs) ) == XA_RESULT_SUCCESS );

   148 

   149         self->self = self;

   150     }

   151     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_Create");

   152     return self;

   153 }

   154 

   155 /* void XAImageEncoderCapabilitiesItfImpl_Free

   156  * Description: Free all resources reserved at XAImageEncoderCapabilitiesItfImpl

   157  */

   158 void XAImageEncoderCapabilitiesItfImpl_Free(XAImageEncoderCapabilitiesItfImpl* self)

   159 {

   160     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_Free");

   161     assert(self==self->self);

   162     free(self);

   163     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_Free");

   164 }